iOS 18.3.1 (22D72) for iPhone 16 Plus

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iPhone 16 Plus

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (8.8 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPhone 16 Plus in to your PC.
  3. Open Apple Devices, and navigate to your iPhone 16 Plus.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPhone17,4_18.3.1_22D72_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

macOS

  1. Plug your iPhone 16 Plus in to your Mac.
  2. Navigate to your iPhone 16 Plus in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPhone17,4_18.3.1_22D72_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPhone 16 Plus in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPhone17,4_18.3.1_22D72_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPhone 16 Plus to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPhone17,4_18.3.1_22D72_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 8177893b06863d32be0dda42c913390d137c7eac. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone17,4_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 8177893b06863d32be0dda42c913390d137c7eac. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPhone17,4_18.3.1_22D72_Restore.ipsw
  3. The output of the command should match the following checksum: 8177893b06863d32be0dda42c913390d137c7eac. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum852ea7b53367123c03391a8352b0ed099f35b8fe27982cc4c2a41797fea1a4df
MD5sum852ea7b53367123c03391a8352b0ed099f35b8fe27982cc4c2a41797fea1a4df
SHA1sum8177893b06863d32be0dda42c913390d137c7eac
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes and security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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